【99.99% Light Blocking Rate *Test results for fabric only】The light blocking rate of 99.99% has been confirmed by testing the fabric alone at the Japan Textile Products Quality and Technology Center (QTEC). With a three-dimensional 3D structure, there are individual differences in the fit when worn, but the design does not put pressure on the eyelashes, providing a comfortable light-blocking space even during naps in the office or while traveling. It significantly reduces light leakage during sleep, supporting high-quality sleep. 【Freely Combine, Refresh Your Eyes】Three-stage temperature modes and eight-stage vibration modes can be freely combined. In addition to the four basic modes (temperature/vibration/temperature & vibration/silent sleep), you can create 24 original settings to your liking. Easy to operate with Japanese voice guidance, and the three-dimensional design puts no burden on the eyelashes. 【Earplugs Included! The Ultimate Sleep Combo that Blocks Light and Sound】Comes with dedicated, removable earplugs (can be used separately). The soft silicone material fits the ears, and when combined with the hot eye mask, it completely shuts out light and sound. 【1000mAh Large Capacity, Reusable Eye Mask】Can be used approximately 15 times on a single charge. An economical design that can reduce costs by approximately 90% over 3 years compared to disposable types. The removable built-in pad is washable. The luxurious Lycra material feels great on the skin and is reusable, making it ideal for daily use and environmentally friendly.